<html xmlns="http://www.w3.org/1999/xhtml"
  ><mtd xmlns="http://www.w3.org/1998/Math/MathML"
  ><th xmlns="http://www.w3.org/1999/xhtml"
  /><mtable xmlns="http://www.w3.org/1998/Math/MathML"
  ><th xmlns="http://www.w3.org/1999/xhtml" style="-moz-binding: url(374193-1xbl.xml);" id="mw_th20"></th></mtable></mtd><style>
mtable::after { content:"anonymous text"; }
</style></html>
